patch-2.3.12 linux/drivers/misc/parport_procfs.c

• Lines: 435
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.3.11/linux/drivers/misc/parport_procfs.c
• Orig date: Thu Jul 8 15:42:20 1999

diff -u --recursive --new-file v2.3.11/linux/drivers/misc/parport_procfs.c linux/drivers/misc/parport_procfs.c
@@ -1,434 +0,0 @@
-/* Sysctl interface for parport devices.
- * 
- * Authors: David Campbell <campbell@torque.net>
- *          Tim Waugh <tim@cyberelk.demon.co.uk>
- *          Philip Blundell <philb@gnu.org>
- *          Andrea Arcangeli
- *          Riccardo Facchetti <fizban@tin.it>
- *
- * based on work by Grant Guenther <grant@torque.net>
- *              and Philip Blundell
- *
- * Cleaned up include files - Russell King <linux@arm.uk.linux.org>
- */
-
-#include <linux/string.h>
-#include <linux/config.h>
-#include <linux/errno.h>
-#include <linux/kernel.h>
-#include <linux/malloc.h>
-#include <linux/parport.h>
-#include <linux/ctype.h>
-#include <linux/sysctl.h>
-
-#include <asm/uaccess.h>
-
-#ifdef CONFIG_SYSCTL
-
-
-static int do_active_device(ctl_table *table, int write, struct file *filp,
-		      void *result, size_t *lenp)
-{
-	struct parport *port = (struct parport *)table->extra1;
-	char buffer[256];
-	struct pardevice *dev;
-	int len = 0;
-
-	if (write)		/* can't happen anyway */
-		return -EACCES;
-
-	if (filp->f_pos) {
-		*lenp = 0;
-		return 0;
-	}
-	
-	for (dev = port->devices; dev ; dev = dev->next) {
-		if(dev == port->cad) {
-			len += sprintf(buffer, "%s\n", dev->name);
-		}
-	}
-
-	if(!len) {
-		len += sprintf(buffer, "%s\n", "none");
-	}
-
-	if (len > *lenp)
-		len = *lenp;
-	else
-		*lenp = len;
-
-	filp->f_pos += len;
-
-	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
-}
-
-#ifdef CONFIG_PARPORT_1284
-static int do_autoprobe(ctl_table *table, int write, struct file *filp,
-			void *result, size_t *lenp)
-{
-	struct parport_device_info *info = table->extra2;
-	const char *str;
-	char buffer[256];
-	int len = 0;
-
-	if (write) /* permissions stop this */
-		return -EACCES;
-
-	if (filp->f_pos) {
-		*lenp = 0;
-		return 0;
-	}
-	
-	if ((str = info->class_name) != NULL)
-		len += sprintf (buffer + len, "CLASS:%s;\n", str);
-
-	if ((str = info->model) != NULL)
-		len += sprintf (buffer + len, "MODEL:%s;\n", str);
-
-	if ((str = info->mfr) != NULL)
-		len += sprintf (buffer + len, "MANUFACTURER:%s;\n", str);
-
-	if ((str = info->description) != NULL)
-		len += sprintf (buffer + len, "DESCRIPTION:%s;\n", str);
-
-	if ((str = info->cmdset) != NULL)
-		len += sprintf (buffer + len, "COMMAND SET:%s;\n", str);
-
-	if (len > *lenp)
-		len = *lenp;
-	else
-		*lenp = len;
-
-	filp->f_pos += len;
-
-	return copy_to_user (result, buffer, len) ? -EFAULT : 0;
-}
-#endif /* IEEE1284.3 support. */
-
-static int do_hardware(ctl_table *table, int write, struct file *filp,
-		       void *result, size_t *lenp)
-{
-	struct parport *port = (struct parport *)table->extra1;
-	char buffer[256];
-	int len = 0;
-
-	if (filp->f_pos) {
-		*lenp = 0;
-		return 0;
-	}
-	
-	if (write)		/* can't happen anyway */
-		return -EACCES;
-	
-	len += sprintf(buffer+len, "base:\t0x%lx", port->base);
-	if (port->base_hi)
-		len += sprintf(buffer+len, " (0x%lx)", port->base_hi);
-	buffer[len++] = '\n';
-
-	if (port->irq == PARPORT_IRQ_NONE) {
-		len += sprintf(buffer+len, "irq:\tnone\n");
-	} else {
-#ifdef __sparc__
-		len += sprintf(buffer+len, "irq:\t%s\n", 
-			       __irq_itoa(port->irq));
-#else
-		len += sprintf(buffer+len, "irq:\t%d\n", port->irq);
-#endif
-	}
-
-	if (port->dma == PARPORT_DMA_NONE)
-		len += sprintf(buffer+len, "dma:\tnone\n");
-	else
-		len += sprintf(buffer+len, "dma:\t%d\n", port->dma);
-
-	len += sprintf(buffer+len, "modes:\t");
-	{
-#define printmode(x) {if(port->modes&PARPORT_MODE_##x){len+=sprintf(buffer+len,"%s%s",f?",":"",#x);f++;}}
-		int f = 0;
-		printmode(PCSPP);
-		printmode(TRISTATE);
-		printmode(COMPAT);
-		printmode(EPP);
-		printmode(ECP);
-		printmode(DMA);
-#undef printmode
-	}
-	buffer[len++] = '\n';
-
-	if (len > *lenp)
-		len = *lenp;
-	else
-		*lenp = len;
-
-	filp->f_pos += len;
-
-	return copy_to_user(result, buffer, len) ? -EFAULT : 0;
-}
-
-#define PARPORT_PORT_DIR(child) { 0, NULL, NULL, 0, 0555, child }
-#define PARPORT_PARPORT_DIR(child) { DEV_PARPORT, "parport", \
-                                     NULL, 0, 0555, child }
-#define PARPORT_DEV_DIR(child) { CTL_DEV, "dev", NULL, 0, 0555, child }
-#define PARPORT_DEVICES_ROOT_DIR  { DEV_PARPORT_DEVICES, "devices", \
-                                    NULL, 0, 0555, NULL }
-
-
-struct parport_sysctl_table {
-	struct ctl_table_header *sysctl_header;
-	ctl_table vars[9];
-	ctl_table device_dir[2];
-	ctl_table port_dir[2];
-	ctl_table parport_dir[2];
-	ctl_table dev_dir[2];
-};
-
-static const struct parport_sysctl_table parport_sysctl_template = {
-	NULL,
-        {
-		{ DEV_PARPORT_SPINTIME, "spintime",
-		  NULL, sizeof(int), 0644, NULL,
-		  &proc_dointvec },
-		{ DEV_PARPORT_HARDWARE, "hardware",
-		  NULL, 0, 0444, NULL,
-		  &do_hardware },
-		PARPORT_DEVICES_ROOT_DIR,
-#ifdef CONFIG_PARPORT_1284
-		{ DEV_PARPORT_AUTOPROBE, "autoprobe",
-		  NULL, 0, 0444, NULL,
-		  &do_autoprobe },
-		{ DEV_PARPORT_AUTOPROBE + 1, "autoprobe0",
-		 NULL, 0, 0444, NULL,
-		 &do_autoprobe },
-		{ DEV_PARPORT_AUTOPROBE + 2, "autoprobe1",
-		  NULL, 0, 0444, NULL,
-		  &do_autoprobe },
-		{ DEV_PARPORT_AUTOPROBE + 3, "autoprobe2",
-		  NULL, 0, 0444, NULL,
-		  &do_autoprobe },
-		{ DEV_PARPORT_AUTOPROBE + 4, "autoprobe3",
-		  NULL, 0, 0444, NULL,
-		  &do_autoprobe },
-#endif /* IEEE 1284 support */
-		{0}
-	},
-	{ {DEV_PARPORT_DEVICES_ACTIVE, "active", NULL, 0, 444, NULL,
-	  &do_active_device }, {0}},
-	{ PARPORT_PORT_DIR(NULL), {0}},
-	{ PARPORT_PARPORT_DIR(NULL), {0}},
-	{ PARPORT_DEV_DIR(NULL), {0}}
-};
-
-struct parport_device_sysctl_table
-{
-	struct ctl_table_header *sysctl_header;
-	ctl_table vars[2];
-	ctl_table device_dir[2];
-	ctl_table devices_root_dir[2];
-	ctl_table port_dir[2];
-	ctl_table parport_dir[2];
-	ctl_table dev_dir[2];
-};
-
-static const struct parport_device_sysctl_table
-parport_device_sysctl_template = {
-	NULL,
-	{
-		{ DEV_PARPORT_DEVICE_TIMESLICE, "timeslice",
-		  NULL, sizeof(int), 0644, NULL,
-		  &proc_dointvec },
-	},
-	{ {0, NULL, NULL, 0, 0555, NULL}, {0}},
-	{ PARPORT_DEVICES_ROOT_DIR, {0}},
-	{ PARPORT_PORT_DIR(NULL), {0}},
-	{ PARPORT_PARPORT_DIR(NULL), {0}},
-	{ PARPORT_DEV_DIR(NULL), {0}}
-};
-
-struct parport_default_sysctl_table
-{
-	struct ctl_table_header *sysctl_header;
-	ctl_table vars[3];
-        ctl_table default_dir[2];
-	ctl_table parport_dir[2];
-	ctl_table dev_dir[2];
-};
-
-extern unsigned long parport_default_timeslice;
-extern int parport_default_spintime;
-
-static struct parport_default_sysctl_table
-parport_default_sysctl_table = {
-	NULL,
-	{
-		{ DEV_PARPORT_DEFAULT_TIMESLICE, "timeslice",
-		  &parport_default_timeslice,
-		  sizeof(parport_default_timeslice), 0644, NULL,
-		  &proc_dointvec },
-		{ DEV_PARPORT_DEFAULT_SPINTIME, "spintime",
-		  &parport_default_spintime,
-		  sizeof(parport_default_timeslice), 0644, NULL,
-		  &proc_dointvec },
-		{0}
-	},
-	{ { DEV_PARPORT_DEFAULT, "default", NULL, 0, 0555,
-	    parport_default_sysctl_table.vars },{0}},
-	{
-	PARPORT_PARPORT_DIR(parport_default_sysctl_table.default_dir), 
-	{0}},
-	{ PARPORT_DEV_DIR(parport_default_sysctl_table.parport_dir), {0}}
-};
-
-
-int parport_proc_register(struct parport *port)
-{
-	struct parport_sysctl_table *t;
-	int i;
-
-	t = kmalloc(sizeof(*t), GFP_KERNEL);
-	if (t == NULL)
-		return -ENOMEM;
-	memcpy(t, &parport_sysctl_template, sizeof(*t));
-
-	t->device_dir[0].extra1 = port;
-
-	for (i = 0; i < 8; i++)
-		t->vars[i].extra1 = port;
-
-	t->vars[0].data = &port->spintime;
-	t->vars[2].child = t->device_dir;
-	
-	for (i = 0; i < 5; i++)
-		t->vars[3 + i].extra2 = &port->probe_info[i];
-
-	t->port_dir[0].procname = port->name;
-	t->port_dir[0].ctl_name = port->number + 1; /* nb 0 isn't legal here */
-
-	t->port_dir[0].child = t->vars;
-	t->parport_dir[0].child = t->port_dir;
-	t->dev_dir[0].child = t->parport_dir;
-
-	t->sysctl_header = register_sysctl_table(t->dev_dir, 0);
-	if (t->sysctl_header == NULL) {
-		kfree(t);
-		t = NULL;
-	}
-	port->sysctl_table = t;
-	return 0;
-}
-
-int parport_proc_unregister(struct parport *port)
-{
-	if (port->sysctl_table) {
-		struct parport_sysctl_table *t = port->sysctl_table;
-		port->sysctl_table = NULL;
-		unregister_sysctl_table(t->sysctl_header);
-		kfree(t);
-	}
-	return 0;
-}
-
-int parport_device_proc_register(struct pardevice *device)
-{
-	struct parport_device_sysctl_table *t;
-	struct parport * port = device->port;
-	
-	t = kmalloc(sizeof(*t), GFP_KERNEL);
-	if (t == NULL)
-		return -ENOMEM;
-	memcpy(t, &parport_device_sysctl_template, sizeof(*t));
-
-	t->dev_dir[0].child = t->parport_dir;
-	t->parport_dir[0].child = t->port_dir;
-	t->port_dir[0].procname = port->name;
-	t->port_dir[0].ctl_name = port->number + 1; /* nb 0 isn't legal here */
-	t->port_dir[0].child = t->devices_root_dir;
-	t->devices_root_dir[0].child = t->device_dir;
-
-#ifdef CONFIG_PARPORT_1284
-
-	t->device_dir[0].ctl_name =
-		parport_device_num(port->number, port->muxport,
-				   device->daisy)
-		+ 1;  /* nb 0 isn't legal here */ 
-
-#else /* No IEEE 1284 support */
-
-	/* parport_device_num isn't available. */
-	t->device_dir[0].ctl_name = 1;
-	
-#endif /* IEEE 1284 support or not */
-
-	t->device_dir[0].procname = device->name;
-	t->device_dir[0].extra1 = device;
-	t->device_dir[0].child = t->vars;
-	t->vars[0].data = &device->timeslice;
-
-	t->sysctl_header = register_sysctl_table(t->dev_dir, 0);
-	if (t->sysctl_header == NULL) {
-		kfree(t);
-		t = NULL;
-	}
-	device->sysctl_table = t;
-	return 0;
-}
-
-int parport_device_proc_unregister(struct pardevice *device)
-{
-	if (device->sysctl_table) {
-		struct parport_device_sysctl_table *t = device->sysctl_table;
-		device->sysctl_table = NULL;
-		unregister_sysctl_table(t->sysctl_header);
-		kfree(t);
-	}
-	return 0;
-}
-
-int parport_default_proc_register(void)
-{
-	parport_default_sysctl_table.sysctl_header =
-		register_sysctl_table(parport_default_sysctl_table.dev_dir, 0);
-	return 0;
-}
-
-int parport_default_proc_unregister(void)
-{
-	if (parport_default_sysctl_table.sysctl_header) {
-		unregister_sysctl_table(parport_default_sysctl_table.
-					sysctl_header);
-		parport_default_sysctl_table.sysctl_header = NULL;
-	}
-	return 0;
-}
-
-#else /* no sysctl */
-
-int parport_proc_register(struct parport *pp)
-{
-	return 0;
-}
-
-int parport_proc_unregister(struct parport *pp)
-{
-	return 0;
-}
-
-int parport_device_proc_register(struct pardevice *device)
-{
-	return 0;
-}
-
-int parport_device_proc_unregister(struct pardevice *device)
-{
-	return 0;
-}
-
-int parport_default_proc_register (void)
-{
-	return 0;
-}
-
-int parport_default_proc_unregister (void)
-{
-	return 0;
-}
-#endif